1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/tests/js1_5/extensions/regress-455408.js b/js/src/tests/js1_5/extensions/regress-455408.js
new file mode 100644
index 000000000..358f6ed5b
--- /dev/null
+++ b/js/src/tests/js1_5/extensions/regress-455408.js
@@ -0,0 +1,29 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 455408;
+var summary = 'Do not assert with JIT: "Should not move data from GPR to XMM": false';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+
+  for (var j = 0; j < 5; ++j) { if (({}).__proto__ = 1) { } }
+
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}